Learn how to Fish in 10 Minutes or Less!

Ernesto Carrella

March 4, 2015

Fisheries today

  • Worm et al(2003): fishless seas by 2050
  • About 30% of the world fisheries have collapsed
  • The need for policy

A brief history in failure

  • Failures of the Commons and Gordon, 1954
  • Effort control and capital stuffing
  • Gear regulations and efficiency drops
  • Area closures and fishing the lines
  • Quotas and its allocation

Objectives

  • Policy Simulator
  • Agents Flexibility
  • Model Flexibility
  • Policy Optimization

One Agent sample run

Multiple Agents

  • Other boats consume biomass
  • You can use other boats information
  • How to imitate?

Two Agents sample run

Many Agents

Oil Prices

Fish the Line (part 1)

Fish the Line (part 2)

Not Just Locational Choices

The Quotas Debate

  • TAC: Total Allowable Catch
  • ITQ: Individual Tradeable Quota

Single Species TAC vs ITQ (mileage)

North-South world

Location choices

Optimization

Optimization (part 2)